Welding seam image extraction fitting-based welding stress deformation prediction method and system
A technology of welding stress and prediction method, which is applied in the field of welding processing and can solve problems such as poor simulation accuracy of temperature field
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[0047]In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0048] refer to figure 1 As shown, the numerical calculation method of welding stress and deformation based on weld image extraction and fitting of the present invention includes the following steps:
[0049] Step 1: Image extraction and fitting: Based on the actual appearance of the weld, image processing methods are used to obtain the contour lines of the weld area and the base metal area, and...
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